Unsynchronized signaling in radio systems using frequency domain processing
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United States of America Patent
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Sep 30, 2014
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app pub date -
Jun 29, 2009
filing date -
Jun 27, 2008
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Abstract
A method for unsynchronized signaling between nodes in a network is described. The method includes partitioning a message for asynchronous transmission in a network into a plurality of symbols. A symbol includes a cyclic prefix. Causing the plurality of symbols to be transmitted (for example, via a transmitter) on one or more subcarriers allocated for asynchronous transmissions is also included in the method. A given symbol is transmitted so as to reduce a discontinuity between a previous symbol and the given symbol. The method may also include applying a phase shift to one or more symbols of the plurality of symbols. Transmitting may include transmitting at a transmission frequency, where a length of a transmission cycle is determined by the transmission frequency, and where a length of the cyclic prefix is equal to an integer number of transmission cycles. Apparatus and computer readable media are also described.
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